Dermatest, one of the leading dermatological research companies in the world, gave RENU 28 its coveted 5-Star Guarantee based on the results of a 28-day clinical trial. Some of the study's findings include:

1. A 21% average decrease in eye wrinkle depth
2. Improvement in overall wrinkles of 23%
3. Improvement in facial skin texture of 22%
4. A 23% increase in skin smoothness
5. A 20% increase in skin elasticity
6. An average increase in skin moisture of 11%